diff --git a/src/c/memory/memory.c b/src/c/memory/memory.c
index 570083e..4a365e3 100644
--- a/src/c/memory/memory.c
+++ b/src/c/memory/memory.c
@@ -7,8 +7,13 @@
  *  Licensed under GPL version 2.0, or, at your option, any later version.
  */
 
- #include <stdio.h>
+#include <stdio.h>
 
- int initialise_memory() {
+#include "memory/pointer.h"
+
+
+
+int initialise_memory( int node) {
     fprintf( stderr, "TODO: Implement initialise_memory()");
+
  }
\ No newline at end of file
diff --git a/src/c/memory/memory.h b/src/c/memory/memory.h
index a632520..37bd39c 100644
--- a/src/c/memory/memory.h
+++ b/src/c/memory/memory.h
@@ -7,9 +7,13 @@
  *  Licensed under GPL version 2.0, or, at your option, any later version.
  */
 
-#ifndef __psse_memory_pso4_h
-#define __psse_memory_pso4_h
+#ifndef __psse_memory_memory_h
+#define __psse_memory_memory_h
+
+#include "memory/pointer.h"
 
 int initialise_memory();
 
+extern struct pso_pointer out_of_memory_exception;
+
 #endif
diff --git a/src/c/memory/node.h b/src/c/memory/node.h
index e21ec86..cae61e6 100644
--- a/src/c/memory/node.h
+++ b/src/c/memory/node.h
@@ -29,3 +29,5 @@ extern struct pso_pointer nil;
  * 
  */
 extern struct pso_pointer t;
+
+#endif